<template>
  <div class="login_container">
      <div class="login_box">
<!--        头像区域-->
          <div class="avatr_box">
              <img src="../assets/logo.png" alt="">
          </div>
<!--        表单区域-->
        <el-form ref="loginFromRef" :model="loginFrom" :rules="loginFromRule" label-width="0px" class="login_form">
<!--          用户名-->
          <el-form-item prop="username">
            <el-input  v-model="loginFrom.username"  prefix-icon="el-icon-s-custom"></el-input>
          </el-form-item>
<!--          密码-->
          <el-form-item prop="password">
            <el-input v-model="loginFrom.password"  prefix-icon="el-icon-lock" type="password"></el-input>
          </el-form-item>
<!--          按钮区域-->
          <el-form-item  class="btns">
            <el-button type="primary" @click="login">登录</el-button>
            <el-button type="info" @click="resultLginFrom">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
  </div>
</template>

<script>
export default {
  data(){
    return{
      //这事表单的数据绑定对象
      loginFrom:{
        username:'admin',
        password:'123456'
      },
      //表单的验证规则对象
      loginFromRule:{
        //验证用户名是否违法
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        //验证密码是否违法
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]

      }
    }
  },
  methods:{
    //点击重置登录表单
    resultLginFrom(){
      // console.log(this)
      this.$refs.loginFromRef.resetFields()
    },
    login(){
      this.$refs.loginFromRef.validate(async valid=>{
        if(!valid) return;
      const {data:res}= await this.$http.post('login',this.loginFrom)
        if (res.meta.status!==200) return this.$message.error('登录失败,请你重新登录!')
        this.$message.success('登录成功')

        console.log(res)
        //登录成功后讲toke保存到session
        window.sessionStorage.setItem('token',res.data.token)
        //通过编程导航掉跳转的下一个页面
        this.$router.push('/home')
      });
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100vh;
}
.login_box{
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius:3px ;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  .avatr_box{
    height: 130px;
    width: 130px;
    border: solid 1px #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #fff;
    img{
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form{
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns{
  display: flex;
  justify-content: flex-end;
}
</style>

